1 files changed, 105 insertions, 0 deletions
diff --git a/src/libtnccs/plugins/tnccs_20/tnccs_20_handler.h b/src/libtnccs/plugins/tnccs_20/tnccs_20_handler.h
new file mode 100644
index 000000000..5c4d7a7b4
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_20/tnccs_20_handler.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2015 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_20_handler_h tnccs_20_handler
+ * @{ @ingroup tnccs_20
+ */
+
+#ifndef TNCCS_20_HANDLER_H_
+#define TNCCS_20_HANDLER_H_
+
+#include <library.h>
+
+#include "batch/pb_tnc_batch.h"
+#include "messages/pb_tnc_msg.h"
+
+typedef struct tnccs_20_handler_t tnccs_20_handler_t;
+
+/**
+ * Interface for an IF-TNCCS 2.0 protocol handler
+ */
+struct tnccs_20_handler_t {
+
+	/**
+	 * Process content of received PB-TNC batch
+	 *
+	 * @param batch			PB-TNC batch to be processed
+	 * @return				status
+	 */
+	status_t (*process)(tnccs_20_handler_t *this, pb_tnc_batch_t *batch);
+
+	/**
+	 * Build PB-TNC batch to be sent
+	 *
+	 * @param buf			buffer to write PB-TNC batch to
+	 * @param buflen		size of buffer, receives bytes written
+	 * @param msglen		receives size of all PB-TNCH batch
+	 * @return				status
+	 */
+	status_t (*build)(tnccs_20_handler_t *this, void *buf, size_t *buflen,
+														  size_t *msglen);
+
+	/**
+	 * Put the IMCs or IMVs into the handshake state
+	 *
+	 * @param mutual		TRUE if PB-TNC mutual mode is already established
+	 */
+	void (*begin_handshake)(tnccs_20_handler_t *this, bool mutual);
+
+	/**
+	 * Indicates if IMCs or IMVs are allowed to send PA-TNC messages
+	 *
+	 * @return				TRUE if allowed to send
+	 */
+	bool (*get_send_flag)(tnccs_20_handler_t *this);
+
+	/**
+	 * Indicates if the PB-TNC mutual protocol has been enabled
+	 *
+	 * @return				TRUE if enabled
+	 */
+	bool (*get_mutual)(tnccs_20_handler_t *this);
+
+	/**
+	 * Get state of the PB-TNC protocol
+	 *
+	 * @return				PB-TNC state
+	 */
+	pb_tnc_state_t (*get_state)(tnccs_20_handler_t *this);
+
+	/**
+	 * Add a PB-PA message to the handler's message queue
+	 *
+	 * @param msg			PB-PA message to be added
+	 */
+	void (*add_msg)(tnccs_20_handler_t *this, pb_tnc_msg_t *msg);
+
+	/**
+	 * Handle errors that occurred during PB-TNC batch header processing
+	 *
+	 * @param batch					batch where a fatal error occurred
+	 * @param fatal_header_error	TRUE if fatal error in batch header
+	 */
+	void (*handle_errors)(tnccs_20_handler_t *this, pb_tnc_batch_t *batch,
+						  bool fatal_header_error);
+
+	/**
+	 * Destroys a tnccs_20_handler_t object.
+	 */
+	void (*destroy)(tnccs_20_handler_t *this);
+};
+
+#endif /** TNCCS_20_HANDLER_H_ @}*/